//==本JS是加载Lodop插件及CLodop服务的综合示例，可直接使用，建议看懂后融进自己页面程序==

var CreatedOKLodopObject, CLodopIsLocal, CLodopJsState;

//==判断是否需要CLodop(那些不支持插件的浏览器):==
function needCLodop() {
    try {
        var ua = navigator.userAgent;
        if (ua.match(/Windows\sPhone/i))
            return true;
        if (ua.match(/iPhone|iPod|iPad/i))
            return true;
        if (ua.match(/Android/i))
            return true;
        if (ua.match(/Edge\D?\d+/i))
            return true;

        var verTrident = ua.match(/Trident\D?\d+/i);
        var verIE = ua.match(/MSIE\D?\d+/i);
        var verOPR = ua.match(/OPR\D?\d+/i);
        var verFF = ua.match(/Firefox\D?\d+/i);
        var x64 = ua.match(/x64/i);
        if ((!verTrident) && (!verIE) && (x64))
            return true;
        else if (verFF) {
            verFF = verFF[0].match(/\d+/);
            if ((verFF[0] >= 41) || (x64))
                return true;
        } else if (verOPR) {
            verOPR = verOPR[0].match(/\d+/);
            if (verOPR[0] >= 32)
                return true;
        } else if ((!verTrident) && (!verIE)) {
            var verChrome = ua.match(/Chrome\D?\d+/i);
            if (verChrome) {
                verChrome = verChrome[0].match(/\d+/);
                if (verChrome[0] >= 41)
                    return true;
            }
        }
        return false;
    } catch (err) {
        return true;
    }
}

//==加载引用CLodop的主JS,用双端口8000和18000(以防其中一个被占):==
function loadCLodop() {

    if (CLodopJsState == "loading" || CLodopJsState == "complete") return;
    CLodopJsState = "loading";
    var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
    var JS1 = document.createElement("script");
    var JS2 = document.createElement("script");
    JS1.src = "http://localhost:8000/CLodopfuncs.js?priority=1";
    JS2.src = "http://localhost:18000/CLodopfuncs.js";
    JS1.onload  = JS2.onload  = function()    {CLodopJsState = "complete";}
    JS1.onerror = JS2.onerror = function(evt) {CLodopJsState = "complete";}
    head.insertBefore(JS1, head.firstChild);
    head.insertBefore(JS2, head.firstChild);
    CLodopIsLocal = !!((JS1.src + JS2.src).match(/\/\/localho|\/\/127.0.0./i));
}

if (needCLodop()){loadCLodop();}//加载

//==获取LODOP对象主过程,判断是否安装、需否升级:==
function getLodop(oOBJECT, oEMBED) {
    var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop32.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop32.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop64.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop64.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
    var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
    var strCLodopInstall_1 = "<br><font color='#FF00FF'>Web打印服务CLodop未安装启动，点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>下载执行安装</a>";
    var strCLodopInstall_2 = "<br>（若此前已安装过，可<a href='CLodop.protocol:setup' target='_self'>点这里直接再次启动</a>）";
    var strCLodopInstall_3 = "，成功后请刷新本页面。</font>";
    var strCLodopUpdate = "<br><font color='#FF00FF'>Web打印服务CLodop需升级!点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>执行升级</a>,升级后请刷新页面。</font>";
    var LODOP;
    try {
        // var isIE = (navigator.userAgent.indexOf('MSIE') >= 0) || (navigator.userAgent.indexOf('Trident') >= 0);
        // if (needCLodop()) {
        try { LODOP = getCLodop(); } catch (err) { };
        if (!LODOP && document.readyState !== "complete") { alert("C-Lodop没准备好，请稍后再试！"); return; };
        if (!LODOP) {
            // if (isIE) document.write(strCLodopInstall); else
            //     document.documentElement.innerHTML = strCLodopInstall + document.documentElement.innerHTML;
            // return;
            var r = confirm("请下载安装插件,安装成功后重启浏览器刷新页面");
            if (r == true) {
                window.open("http://www.lodop.net/download.html")//如果你没有安装C-Lodop就需要在软件安装，这个地址是我后端给我的，前端也可以找个链接跳过去下载也是可以的
            }

        }
        return LODOP;
    } catch (err) { alert("getLodop出错:" + err); };
    // try {
    //     var ua = navigator.userAgent;
    //     var isIE = !!(ua.match(/MSIE/i)) || !!(ua.match(/Trident/i));
    //     if (needCLodop()) {
    //         try {
    //             LODOP = getCLodop();
    //         } catch (err) {}
    //         if (!LODOP && CLodopJsState !== "complete") {
    //             if (CLodopJsState == "loading") alert("网页还没下载完毕，请稍等一下再操作."); else alert("没有加载CLodop的主js，请先调用loadCLodop过程.");
    //             return;
    //         }
    //         if (!LODOP) {
    //             document.body.innerHTML = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : "") + strCLodopInstall_3 + document.body.innerHTML;
    //             return;
    //         } else {
    //             if (CLODOP.CVERSION < "4.1.0.4") {
    //                 document.body.innerHTML = strCLodopUpdate + document.body.innerHTML;
    //             }
    //             if (oEMBED && oEMBED.parentNode)
    //                 oEMBED.parentNode.removeChild(oEMBED); //清理旧版无效元素
    //             if (oOBJECT && oOBJECT.parentNode)
    //                 oOBJECT.parentNode.removeChild(oOBJECT);
    //         }
    //     } else {
    //         var is64IE = isIE && !!(ua.match(/x64/i));
    //         //==如果页面有Lodop就直接使用,否则新建:==
    //         if (oOBJECT || oEMBED) {
    //             if (isIE)
    //                 LODOP = oOBJECT;
    //             else
    //                 LODOP = oEMBED;
    //         } else if (!CreatedOKLodopObject) {
    //             LODOP = document.createElement("object");
    //             LODOP.setAttribute("width", 0);
    //             LODOP.setAttribute("height", 0);
    //             LODOP.setAttribute("style", "position:absolute;left:0px;top:-100px;width:0px;height:0px;");
    //             if (isIE)
    //                 LODOP.setAttribute("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
    //             else
    //                 LODOP.setAttribute("type", "application/x-print-lodop");
    //             document.documentElement.appendChild(LODOP);
    //             CreatedOKLodopObject = LODOP;
    //         } else
    //             LODOP = CreatedOKLodopObject;
    //         //==Lodop插件未安装时提示下载地址:==
    //         if ((!LODOP) || (!LODOP.VERSION)) {
    //             if (ua.indexOf('Chrome') >= 0)
    //                 document.body.innerHTML = strHtmChrome + document.body.innerHTML;
    //             if (ua.indexOf('Firefox') >= 0)
    //                 document.body.innerHTML = strHtmFireFox + document.body.innerHTML;
    //             document.body.innerHTML = (is64IE ? strHtm64_Install : strHtmInstall) + document.body.innerHTML;
    //             return LODOP;
    //         }
    //     }
    //     if (LODOP.VERSION < "6.2.2.6") {
    //         if (!needCLodop())
    //             document.body.innerHTML = (is64IE ? strHtm64_Update : strHtmUpdate) + document.body.innerHTML;
    //     }
    //     //===如下空白位置适合调用统一功能(如注册语句、语言选择等):==


    //     //=======================================================
    //     return LODOP;
    // } catch (err) {
    //     alert("getLodop出错:" + err);
    // }
}

export { getLodop ,needCLodop}